Donkey Kong's height varies depending on his posture and the game version, but here are the most commonly referenced measurements:

• When knuckle-walking, his typical resting height is about 6 feet 1 inch (186 cm).
• According to an in-game source from Donkey Kong 64, when standing upright, Donkey Kong is approximately 7 feet 10 inches (239 cm).
• Generally, most estimations place his upright height between 7 and 8 feet.

So, Donkey Kong is usually depicted as around 6'1" tall knuckle-walking and about 7'10" tall standing upright, making him a very large and imposing figure in the Nintendo universe.